Most automatic garage door openers can be expected to last 10 15 years.
Garage doors balance weight vs weight.
A standard 25 steel gauge 8 x 7 residential garage door from unique raynor amarr haas midland doorlink garaga northwest hormann delden clopay midamerica martin overhead c h i wayne dalton and windsor will weigh approximately 75 80 lbs and an insulated will garage door weigh approximatly 85 90 lbs.
If you need a double garage door the typical measurement is 16 ft.
The torsion tube has drums attached at the ends with cables attached to the drums and to the bottom.
A garage door uses a spring system to counter balance the weight of the garage door.
Unfortunately too many perfect garage doors fall into disrepair when owners refuse to do regular maintenance.
Once you know the total weight of your garage door using a bathroom scale for doors under 300 pounds you can use the chart below to see the color extension spring you need.
Choosing a garage door size.
Garage doors were designed to move flawlessly when in perfect balance this is the point where they feel neither too heavy nor too light and hang at whatever level you decide to set them.
Watch how the garage door moves when you let it hang freely at the halfway open and fully open positions.
A door that starts sliding down slams closed on its own or that opens further on its own needs its springs adjusted.
Door weight is important when trying to figure out what torsion or extension springs are needed to counterbalance the door.
Balancing a garage door does not involve circus tricks teeter totters or special gymnastic skills.
It s important to check your garage door balance regularly and adjust it when necessary.
You could also use 4 springs consisting of 2 at 100 pounds tan and 2 at.
This could be an issue later on if a different garage door is used that requires different counterweights since you d have to open a wall to replace them.
Garage door weight is determined by size material steel gauge thickness insulation and glass.
There is no standard garage door size.
Instead it s all about the relationship between the garage door s weight and the springs used to counter that weight.
Doors that are out of balance will cause extra loads for your opener and may even cause it to fail prematurely.
In a sectional torsion spring system this is done using one or more torsion springs that are attached to a torsion tube at the top of the garage door opening.
Our concept was conceived to eliminate the need to replace broken or fatigued springs and eliminate the ongoing need for service calls which is very costly over the life span of high cycle garage doors.
If your door is 210 pounds you would need a pair on for each side of the 210 pound white springs.
Hermco garage door counterweight systems have been around for many years.
A duty cycle of 15 000 equates to about 10 years if a door is opened four times a day every day of the year.
The average modern steel single car door weighs around 125 pounds while double car doors weigh about 200 pounds.